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Impaction and Retention of Second Molars: Diagnosis, Treatment and Outcome
Second molar impaction and retention Orthodontic treatment evaluation Surgical treatment evaluation
2010/3/5
Objective: To evaluate treatment outcome in patients with second molar impaction and retention.
Materials and Methods: A total of 135 second molars, 65 in the maxilla and 70 in the mandible were co...
The Upper Cuspid: Its Development and Impaction.
Some Factors Related to Mandibular Third Molar Impaction
Some Factors Mandibular Third Molar Impaction
2009/3/9
Some Factors Related to Mandibular Third Molar Impaction.
Transverse Dento-Skeletal Relationships and Third Molar Impaction
Transverse Dento-Skeletal Relationships Third Molar Impaction
2009/3/4
This study shows a significant relationship between lower third molar impaction and the ratio between bilateral molar and ramus widths.
Diagnosis and Prevention of Maxillary Cuspid Impaction
Diagnosis Prevention Maxillary Cuspid Impaction
2009/3/4
Upper cuspid impaction is a serious problem that occurs with sufficient frequency to justify diagnosis and intervention as early as a dental age of 8 years. Screening consists of identifying patie...
Mandibular growth and third molar impaction in extraction cases
Third molar Impaction Mandibular growth Premolar extraction
2009/1/14
The position of mandibular third molars was studied in 60 patients from the pedodontic and orthodontic departments at the Federal University of Rio de Janeiro. All individuals received orthodontic t...
Predicting soft tissue changes in maxillary impaction surgery：A comparison of two video imaging systems
Video imaging Prediction Orthognathic surgery
2009/1/8
The purpose of this retrospective study was to investigate the accuracy of two video imaging systems, Orthognathic Treatment Planner (OTP) and Prescription Portrait (Portrait), in predicting soft tiss...
Prevalence of Tooth Transposition, Third Molar Agenesis, and Maxillary Canine Impaction in Individuals with Down Syndrome
Down syndrome Third molar agenesis Canine impaction Transposition
2008/12/26
Alterations in the size, morphology and number of teeth are among the many inherited disorders that have been reported in individuals with Down syndrome. By contrast, third molar agenesis and toot...
Prediction of Maxillary Third Molar Impaction in Adolescent Orthodontic Patients
Third molar impaction Prediction Orthodontic patients
2008/12/4
The purpose of this study was to identify risk factors for maxillary third molar impaction in adolescent orthodontic patients. Radiographs made before treatment (T1) and after treatment (T2) and a...
Early Predictive Variables for Upper Canine Impaction as Derived from Posteroanterior Cephalograms
Canine impaction Palatally displaced canines Posteroanterior cephalometrics Discriminant analysis
2008/11/26
The aim of this study was to identify a model of cephalometric variables for early diagnosis of the displacement of upper permanent canine and early prognosis of upper canine impaction. Posteroanter...
Prevalence of Ectopic Eruption, Impaction, Retention and Agenesis of the Permanent Second Molar
Prevalence Ectopic eruption Impaction Retention Agenesis Second permanent molar
2008/11/7
Objective: To elucidate the prevalence of ectopic eruption, impaction, and primary and secondary retention as well as agenesis of the permanent second molar (M2) among adolescents.Materials and Method...
Osteotomy Assisted Maxillary Posterior Impaction with Miniplate Anchorage
Anterior open bite Molar intrusion Miniplate anchorage Osteotomy Treatment time
2008/11/6
This case report presents orthodontic treatment with miniplate anchorage accelerated by osteotomy-assisted maxillary posterior impaction in a severe open bite case. A 14-year-old girl with a severe an...
